Summary of Significant Accounting Policies (Details) - USD ($)	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Apr. 01, 2019
Summary of Significant Accounting Policies (Details) [Line Items]
Extended Product Warranty Description	The extended warranties sold by the Company provide a level of assurance beyond the coverage for defects that existed at the time of a sale or against certain types of covered damage with coverage terms generally ranging from 5 to 7 years.
Extended Product Warranty Accrual	$ 413,554	$ 361,791
Recognition of Deferred Revenue	85,311	50,353
Deferred Revenue and Credits, Current	58,746
Revenues	$ 15,774,943	12,116,050
Property, Plant and Equipment, Depreciation Methods	straight-line basis
Deferred Revenue	$ 472,300	361,791
Product Liability Accrual, Component Amount	51,858	58,082
Operating Lease, Right-of-Use Asset	$ 306,740	0	$ 508,551
Lessee, Operating Lease, Discount Rate	6.25%
Repairs and Calibration [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Revenues	$ 1,525,288	1,686,643
Replacement Parts [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Revenues	460,103	294,572
Extended Warranty [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Revenues	85,311	$ 50,353
Other Revenue [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Revenues	$ 48,159
Minimum [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life	3 years
Maximum [Member]
Summary of Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life	5 years